The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 01, 2011
Filed:
Jul. 07, 2006
Kazuhiro Takahashi, Kawasaki, JP;
Kazuhiro Takahashi, Kawasaki, JP;
Nikon Corporation, Tokyo, JP;
Abstract
An imaging device has an image pickup section, a compression processing section, a correlation data holding section, and first and second calculating sections. The image pickup section generates photographic image data. The compression processing section performs compression processing on photographic image data. The correlation data holding section holds plural correlation data on changes in scale factor and compressed data amount of sample image data. The first calculating section calculates initial scale factors from standard correlation data generated from image data including high-frequency components most among sample image data and target compressed data amount. The second calculating section determines whether recompression processing by use of a different scale factor is necessary from a difference between target compressed data amount and compressed photographic image data amount and calculates the scale factor based on compressed photographic image data and correlation data at recompression processing such that the data compression rate decreases.